science (PMR)
introduction to science
cell as a unit of life
matter
the variety of resources on earth
the air around us
sources of energy
nutrition
biodiversity
interdepence among living organisms ang the environment
water and solution
Chapter 5: Water and Solution
air pressure
Air Pressure
dynamic
support and movement
stability
simple machine
respiration
blood circulation and transport
excretion
REPRODUCTION
http://www.youtube.com/watch?v=t_eNmc_gHyE
growth
land and its resources
electricity
generation of electricity
stars and galaxies
space exploration
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